Sculptura, or, The history and art of chalcography, and engraving in copper : with an ample enumeration of the most renowned masters and their works : to which is annexed, a new manner of engraving, or mezzotinto (1769)
Evelyn, John, 1620-1706, Rupert, Prince, Count Palatine, 1619-1682, Worlidge, T. (Thomas), 1700-1766, Murray, John, 1737-1793 · London : Printed for J. Murray (successor to Mr. Sandby) ... · leaf 156
following Iconism is thusexplained. Suppofe, in the uppermoft figure of this plate,the object O to be the reprefentation in perfpectiveof the portion of a bowl, expofed to the beams ofthe fun; and the letters c. s. r. t. a frame, or fquareof wood barred and ilrung in even and flrait linesparallel… … the Hiftory of Chalcography. 109 threads projecting their fhadows upon the bowl,and the iurface where it is fituate. Suppofe now the fame upon the relievo or mafsitfelf j it is evident, thatthefe threads, in whatevermanner you interpofe the faid frame betwixt thebowl and the fun, will perpetually…
Engraving · Mezzotint engraving
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